Kev ceev ntawm qhov chaw ua haujlwm sib txuas (VMC) yog qhov tseemceeb tshaj plaws uas txiav txim siab txog lub tshuab tsim kho, uas txiav txim siab tias yuav tsim tau cov ntaub ntawv twg thiab yuav ua tau ntau npaum li cas. Qhov kev ceev tshaj plaws yog VMC 3-axis, uas tsim nyob rau sab x (ntxig mus rau laj), sab y (ntxig mus rau sab nraud), thiab sab z (ntxig mus rau saum toj, uas cov spindle head coj mus). Qhov no yog qhov tsim nyog rau kev ua haujlwm ntawm cov ntaub uas muaj form phaj, uas kev pib tool yog tshuab nyob rau sab saum toj, zoo li kev ua phab ntsa, khoov, kab, thiab kho tawb thiab kev kho tawb. Qhov yooj yim yog tias thaum muaj ob lossis ntau dua ib qhov chaw uas yuav tsum ua haujlwm, yuav tsum rov sau ntaub ntxiv, uas tuaj yeem tsim teeb meem thiab nce sijhawm. Qhov VMC 4-axis thiaj xaiv tej no los nrog ib sab rotary, feem ntau yog sab A (rotating around the X-axis) lossis sab B (rotating around the Y-axis), uas tau muab tso rau hauv qhov chaw nres. Qhov no pab rau tus neeg ua haujlwm tuaj yeem muab cov ntaub nres rau qhov chaw twg xwb, uas pab tau ua haujlwm rau ob sab ntawm cov ntaub tsis tas rov sau ntaub ntxiv. Qhov no yog qhov zoo tshaj rau cov ntaub uas xav tau cov khoom nyob rau sab, lossis rau kev ua haujlwm phem tshaj rau cov ntaub uas muaj form ntsej muag. Qhov pib tshaj plaws ntawm VMC yog qhov 5-axis, uas muaj ob sab rotary uas tuaj yeem txuas ntxiv nrog 3 sab linear. Cov kev ceev feem ntau yog ib qhov chaw nres zoo li trunnion (sab A thiab C) lossis ib qhov spindle head uas tuaj yeem piv (sab B thiab C). Qhov kev txuas ntxiv 5-axis no pab rau cov tool kom muaj qhov chaw zoo tshaj plaws rau sab ntau ntawm cov ntaub. Qhov kev tshwm sim no yog qhov loj, uas pab tsim cov ntaub uas muaj form phem tshaj, ua haujlwm rau cov av tsev dav nrog cov tool luv thiab tsim nyog dua, thiab ua tiav cov ntaub hauv ib qhov chaw nres, uas tshem tawm qhov teeb meem ntxiv thiab nce sijhawm tsim kho. Yog li, qhov axis count yog qhov tseemceeb tshaj plaws, uas txhua qhov axis ntxiv yog qhov nce tshaj plaws rau lub tshuab kom muaj kev nyab xeeb thiab muaj qhov tseem ceeb rau kev tsim kho cov ntaub phem tshaj.
Peb lub neej koom hauj khwv loj tuaj yeem pab koj thaum twg los.